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Finding the Third Proportional to 112,515.75 and 164,331

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Solution

The third proportional to 112,515.75 and 164,331 is: 240,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,515.75 : 164,331 = 164,331 : x
  2. Step 2: Convert to fraction form
    112,515.75/164,331 = 164,331/x
  3. Step 3: Cross multiply
    112,515.75x = 164,331 × 164,331
  4. Step 4: Simplify right side
    112,515.75x = 27,004,677,561
  5. Step 5: Solve for x
    x = 27,004,677,561/112,515.75
  6. Step 6: Final answer
    x = 240,007.98

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.